condition mean min max ZT0-3 1691.05 1691.05 1691.05 ZT4-7 1346.3 1346.3 1346.3 ZT8-11 1498.6 1498.6 1498.6 ZT12-15 1624.65 1624.65 1624.65 ZT16-19 1593.1 1593.1 1593.1 ZT20-23 1630.45 1630.45 1630.45